Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Transmission (INSTALLATION)
    Special Tool(s) Retainer, Torque Converter 307-346 (T97T-7902-A) Material Item Specification Multi-Purpose Grease D0AZ-19584-AA ESB-M1C93- B MERCON V Automatic Transmission Fluid XT-5-QM, XT-5-DM MERCON V 1. CA ...

    Principles of Operation
    Power Window Control NOTE: Battery power and ground must be removed before disconnecting the GEM connectors to avoid setting false DTCs. The driver power window one-touch down operation is controlled by the generic electronic module (GEM). This featur ...

    Assembly
    1. CAUTION: Before beginning assembly, carry out and inspect the following: When building up subassemblies and assembling the transmission, ALWAYS use new gaskets and seals. All fasteners must be tightened to the torque specification indicated. In addition ...